package com.ruoyi.common.core.domain;

import java.io.Serializable;
import com.ruoyi.common.core.constant.Constants;

/**
 * 响应信息主体
 *
 * @author ruoyi
 */
public class R<T> implements Serializable {
	
	private static final long serialVersionUID = 1L;

	/** 成功 */
	public static final int SUCCESS = Constants.SUCCESS;

	/** 失败 */
	public static final int FAIL = Constants.FAIL;

	private int code;

	private String msg;

	private T data;

	public static <T> R<T> ok() {
		return restResult(null, SUCCESS, null);
	}

	public static <T> R<T> ok(T data) {
		return restResult(data, SUCCESS, null);
	}

	public static <T> R<T> ok(T data, String msg) {
		return restResult(data, SUCCESS, msg);
	}

	public static <T> R<T> failed() {
		return restResult(null, FAIL, null);
	}

	public static <T> R<T> failed(String msg) {
		return restResult(null, FAIL, msg);
	}

	public static <T> R<T> failed(T data) {
		return restResult(data, FAIL, null);
	}

	public static <T> R<T> failed(T data, String msg) {
		return restResult(data, FAIL, msg);
	}

	public static <T> R<T> failed(int code, String msg) {
		return restResult(null, code, msg);
	}

	private static <T> R<T> restResult(T data, int code, String msg) {
		R<T> apiResult = new R<>();
		apiResult.setCode(code);
		apiResult.setData(data);
		apiResult.setMsg(msg);
		return apiResult;
	}

	public int getCode() {
		return code;
	}

	public void setCode(int code) {
		this.code = code;
	}

	public String getMsg() {
		return msg;
	}

	public void setMsg(String msg) {
		this.msg = msg;
	}

	public T getData() {
		return data;
	}

	public void setData(T data) {
		this.data = data;
	}

	public static <T> Boolean isError(R<T> ret) {
		return !isSuccess(ret);
	}

	public boolean isSuccess() {
		return getCode() == SUCCESS;
	}

	public static <T> Boolean isSuccess(R<T> ret) {
		return R.SUCCESS == ret.getCode();
	}
}
